Zhengzhou Bangke Company is specialized in large and medium-sized series of crusher, sand making machinery , mine selection,milling equipment primarily, R&D, production, sales for the integration of machinery manufacturing company. Pre-sale: (1) Until the customer to choose the most suitable equipment models. (2) To send an engineer to program fields and design the best scheme on the spot for free. (3) To design and manufacture the products according to the special requirements. During sales: (1)To arrange strict examinations before the product is delivered. (2) To deliver the goods in accordance with the contract in time.. After sales: (1) To send an engineer to guide to install and trial-run the machines on the spot. (2) To train operators on the spot. (3) One or two engineers will help the customer to operate the equipment for one month after installation until the buyer is satisfied. (4) If any problem occurred in the production, we would give the definite solution